Home / 28,728.74-43,093.15-7,952.24

Finding the Fourth Proportional to 28,728.74, 43,093.15 and 7,952.24

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Solution

The fourth proportional to 28,728.74, 43,093.15 and 7,952.24 is: 11,928.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,728.74 : 43,093.15 = 7,952.24 : x
  2. Step 2: Convert to fraction form
    28,728.74/43,093.15 = 7,952.24/x
  3. Step 3: Cross multiply
    28,728.74x = 43,093.15 × 7,952.24
  4. Step 4: Simplify right side
    28,728.74x = 342,687,159.01
  5. Step 5: Solve for x
    x = 342,687,159.01/28,728.74
  6. Step 6: Final answer
    x = 11,928.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.